Marin County Parks last week unveiled the final plans for a major expansion of the lone public restroom in Point Reyes Station, increasing the number of toilets at Toby’s Playground from three to 13 after years of makeshift fixes and mounting visitor demand. The design includes a new building on the north side of the parking lot with gender-neutral stalls and two accessible family restrooms, bike parking, electric vehicle chargers, solar-powered outlets and expanded seating…